Question 1

Given that carbon-14 (C-14) has a half-life of 5,000 years, if we begin with 48 atoms of C-14, how many will remain after 15,000 years?

Accepted Answer

A) 48 
B) 24 
C) 12 
D) 6 
A) 48 
B) 24 
C) 12 
D) 6

Question 2

Which is UNTRUE of gamma rays?

Accepted Answer

A) mass of about zero 
B) mass of about 1 amu 
C) charge of zero 
D) high energy 
A) mass of about zero 
B) mass of about 1 amu 
C) charge of zero 
D) high energy

Question 3

The field of Organic Chemistry centers on the element

Accepted Answer

A) hydrogen 
B) carbon 
C) oxygen 
D) phosphorus 
A) hydrogen 
B) carbon 
C) oxygen 
D) phosphorus

Question 4

A strong acid will tend to

Accepted Answer

A) produce more hydronium ions than a weak acid 
B) produce more hydroxide ions than a weak base 
C) produce less hydronium ions than a weak acid 
D) neutralize other strong acids 
A) produce more hydronium ions than a weak acid 
B) produce more hydroxide ions than a weak base 
C) produce less hydronium ions than a weak acid 
D) neutralize other strong acids

Question 5

A pH of 13 indicates a solution which is

Accepted Answer

A) strongly acidic 
B) strongly basic 
C) weakly acidic 
D) weakly basic 
A) strongly acidic 
B) strongly basic 
C) weakly acidic 
D) weakly basic

Question 6

Half-lives of radioactive species are always less than 10 years.

Accepted Answer

A) True 
 B)False

Question 7

Identify the following reaction as to type.C2H2 + 2 H2 → C2H6

Accepted Answer

A) oxidation-reduction 
B) precipitation 
C) neutralization 
D) saponification 
A) oxidation-reduction 
B) precipitation 
C) neutralization 
D) saponification

Question 8

Organic chemistry compounds never include any element such as oxygen, nitrogen, sulfur, phosphorus, fluorine, chlorine, or iodine; they only contain carbon and hydrogen.

Accepted Answer

A) True 
 B)False

Question 9

Compounds containing only carbon, hydrogen, and single bonds are known as

Accepted Answer

A) alkanes 
B) alkenes 
C) alkynes 
D) none of these 
A) alkanes 
B) alkenes 
C) alkynes 
D) none of these

Question 10

The three main types of radiation are known as

Accepted Answer

A) alpha, beta, and gamma 
B) proton, neutron, and electron 
C) solid, liquid, and gas 
D) vaporization, melting, and condensation 
A) alpha, beta, and gamma 
B) proton, neutron, and electron 
C) solid, liquid, and gas 
D) vaporization, melting, and condensation

Question 11

Bases

Accepted Answer

A) are also known as alkalis 
B) turn red litmus paper blue 
C) have a bitter taste 
D) feel slippery on the skin 
E) all of these 
A) are also known as alkalis 
B) turn red litmus paper blue 
C) have a bitter taste 
D) feel slippery on the skin 
E) all of these

Question 12

Identify the following reaction as to type.H2SO4 + Ca(OH)2 → CaSO4 + 2H2O

Accepted Answer

A) oxidation 
B) neutralization 
C) precipitation 
D) polymerization 
A) oxidation 
B) neutralization 
C) precipitation 
D) polymerization

Question 13

Which is TRUE of the beta particle?

Accepted Answer

A) Mass of about zero and charge of -1 
B) Mass of about 1 and charge of +1 
C) Mass of about 1 and charge of -1 
D) Mass of about 4 and charge of +3 
A) Mass of about zero and charge of -1 
B) Mass of about 1 and charge of +1 
C) Mass of about 1 and charge of -1 
D) Mass of about 4 and charge of +3

Question 14

A substance which, when dissolved in water, produces hydronium (H3O+) ions, is known as (a, an)

Accepted Answer

A) acid 
B) base 
C) salt 
D) hydrocarbon 
A) acid 
B) base 
C) salt 
D) hydrocarbon

Question 15

Which is not a correct definition of reduction?

Accepted Answer

A) hydrogen loss 
B) hydrogen gain 
C) oxygen loss 
D) electron gain 
A) hydrogen loss 
B) hydrogen gain 
C) oxygen loss 
D) electron gain

Question 16

Compounds containing only carbon, hydrogen, single bonds, and one or more double bonds are known as

Accepted Answer

A) alkanes 
B) alkenes 
C) alkynes 
D) none of these 
A) alkanes 
B) alkenes 
C) alkynes 
D) none of these

Given that carbon-14 (C-14) has a half-life of 5,000 years, if we begin with 48 atoms of C-14, how many will remain after 15,000 years?

Which is UNTRUE of gamma rays?

The field of Organic Chemistry centers on the element

A strong acid will tend to

A pH of 13 indicates a solution which is

Half-lives of radioactive species are always less than 10 years.

Identify the following reaction as to type.C₂H₂+ 2 H₂ → C₂H₆

Organic chemistry compounds never include any element such as oxygen, nitrogen, sulfur, phosphorus, fluorine, chlorine, or iodine; they only contain carbon and hydrogen.

Compounds containing only carbon, hydrogen, and single bonds are known as

The three main types of radiation are known as

Bases

Identify the following reaction as to type.H₂SO₄ + Ca(OH)₂ → CaSO₄ + 2H₂O

Which is TRUE of the beta particle?

A substance which, when dissolved in water, produces hydronium (H₃O⁺) ions, is known as (a, an)

Which is not a correct definition of reduction?

Compounds containing only carbon, hydrogen, single bonds, and one or more double bonds are known as

Background to the Environmental Problem

The Natural Laws

Underlying Principles of Chemistry

Element Cycles

Toxicology

Energy and Modern Society

Emerging Energy Sources

Weather and Climate

Air Quality

Air Inside

Global Atmospheric Change

Water

Water Quality

Solid Wastes

Hazardous Wastes

Filters

Exam 4: Types of Chemical Compounds and Their Reactions

Given that carbon-14 (C-14) has a half-life of 5,000 years, if we begin with 48 atoms of C-14, how many will remain after 15,000 years?

Which is UNTRUE of gamma rays?

The field of Organic Chemistry centers on the element

A strong acid will tend to

A pH of 13 indicates a solution which is

Half-lives of radioactive species are always less than 10 years.

Identify the following reaction as to type.C2H2 + 2 H2 → C2H6

Organic chemistry compounds never include any element such as oxygen, nitrogen, sulfur, phosphorus, fluorine, chlorine, or iodine; they only contain carbon and hydrogen.

Compounds containing only carbon, hydrogen, and single bonds are known as

The three main types of radiation are known as

Bases

Identify the following reaction as to type.H2SO4 + Ca(OH)2 → CaSO4 + 2H2O

Which is TRUE of the beta particle?

A substance which, when dissolved in water, produces hydronium (H3O+) ions, is known as (a, an)

Which is not a correct definition of reduction?

Compounds containing only carbon, hydrogen, single bonds, and one or more double bonds are known as

Background to the Environmental Problem

The Natural Laws

Underlying Principles of Chemistry

Element Cycles

Toxicology

Energy and Modern Society

Emerging Energy Sources

Weather and Climate

Air Quality

Air Inside

Global Atmospheric Change

Water

Water Quality

Solid Wastes

Hazardous Wastes

Filters

Identify the following reaction as to type.C₂H₂+ 2 H₂ → C₂H₆

Identify the following reaction as to type.H₂SO₄ + Ca(OH)₂ → CaSO₄ + 2H₂O

A substance which, when dissolved in water, produces hydronium (H₃O⁺) ions, is known as (a, an)